Frequent cannabis users may wake up with unusually high levels of the stress hormone cortisol, suggesting their daily stress ...

More than 60,000 years ago, humans in southern Africa were engraving ostrich eggshells with intricate geometric patterns that ...

Deep underground, bacteria may be capable of doing something remarkable: trapping toxic uranium before it spreads. When ...

Chemists have developed a catalyst that breaks a long-standing rule governing which molecules receive electrons during ...

Full-fat dairy may be healthier than conventional advice has suggested. In a 12-week study, adults who ate three servings a ...

Atomically thin semiconductors could enable dramatically smaller and more efficient chips, but a stubborn problem at the ...

A study tracking more than 340,000 adults for over a decade found that heavy drinking increased the risk of death regardless ...

A new nanostructured carbon design lets fuel-cell catalysts use tiny amounts of platinum while remaining remarkably stable ...

An intensive seven-day meditation retreat triggered striking changes across the brain and body, including shifts tied to ...

Getting the recommended 150 minutes of moderate-to-vigorous exercise each week may offer only modest protection against heart ...

CT scans of the world’s rarest dodo skulls suggest the extinct bird may have had a stronger sense of smell, a highly ...

A rare meteorite that crashed through a New Jersey roof contains evidence of ancient salty fluids, organic compounds, and ...